An insulin needleless syringe is a device that is injected by pressure. Needle-free syringes are divided by power unit, spring mechanical power, CO2 gas power and electric power; according to ampoule capacity, there are three specifications: 0.3ml, 0.5ml and 1.0ml; the appearance size has micro pen type and hand gun type The hand-held gun type is mainly pneumatic, used for immunization injection of group groups, and subdivided into two types: human and veterinary. The micro-pen type is mainly driven by spring, and is widely used in insulin, interferon, vaccine, etc. Injection of liquid medicines.
